html,
body,
div,
applet,
object,
iframe,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  font-weight: normal;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* custom */
a {
  color: #7e8c8d;
  text-decoration: none;
}

::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track-piece {
  background-color: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb:vertical {
  height: 5px;
  background-color: rgba(125, 125, 125, 0.7);
}

::-webkit-scrollbar-thumb:horizontal {
  width: 5px;
  background-color: rgba(125, 125, 125, 0.7);
}

html,
body {
  width: 100%;
  font-family: "Arial", "Microsoft YaHei", "黑体", "宋体", "微软雅黑", sans-serif;
}

body {
  line-height: 1;
  -webkit-text-size-adjust: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

html {
  overflow-y: scroll;
}

/*隐藏*/
.dn {
  display: none;
}